KELLEY COLLEEN. (1979). ASSERTION TRAINING -A FACILITATOR`S GUIDE. UNIVERSITY ASSOCIATION.
Čikaški stil citiranja (17. izdanje)KELLEY COLLEEN. ASSERTION TRAINING -A FACILITATOR`S GUIDE. CALIFORNIA: UNIVERSITY ASSOCIATION, 1979.
MLA način citiranja (9. izdanje)KELLEY COLLEEN. ASSERTION TRAINING -A FACILITATOR`S GUIDE. UNIVERSITY ASSOCIATION, 1979.
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